http://git-wip-us.apache.org/repos/asf/flink/blob/5757850c/flink-compiler/src/main/java/org/apache/flink/optimizer/traversals/package-info.java ---------------------------------------------------------------------- diff --git a/flink-compiler/src/main/java/org/apache/flink/optimizer/traversals/package-info.java b/flink-compiler/src/main/java/org/apache/flink/optimizer/traversals/package-info.java new file mode 100644 index 0000000..cd8766c --- /dev/null +++ b/flink-compiler/src/main/java/org/apache/flink/optimizer/traversals/package-info.java @@ -0,0 +1,27 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +/** + * This package contains the various traversals over the program plan and the + * optimizer DAG (directed acyclic graph) that are made in the course of + * the optimization. + * + * The traversals are mostly implemented as a {@link org.apache.flink.util.Visitor} that + * traversed the program flow. + */ +package org.apache.flink.optimizer.traversals; \ No newline at end of file
http://git-wip-us.apache.org/repos/asf/flink/blob/5757850c/flink-compiler/src/test/java/org/apache/flink/optimizer/dataexchange/PipelineBreakingTest.java ---------------------------------------------------------------------- diff --git a/flink-compiler/src/test/java/org/apache/flink/optimizer/dataexchange/PipelineBreakingTest.java b/flink-compiler/src/test/java/org/apache/flink/optimizer/dataexchange/PipelineBreakingTest.java index fe33635..1a14be5 100644 --- a/flink-compiler/src/test/java/org/apache/flink/optimizer/dataexchange/PipelineBreakingTest.java +++ b/flink-compiler/src/test/java/org/apache/flink/optimizer/dataexchange/PipelineBreakingTest.java @@ -25,7 +25,6 @@ import org.apache.flink.api.java.DataSet; import org.apache.flink.api.java.ExecutionEnvironment; import org.apache.flink.api.java.io.DiscardingOutputFormat; import org.apache.flink.api.java.tuple.Tuple2; -import org.apache.flink.optimizer.Optimizer; import org.apache.flink.optimizer.dag.DataSinkNode; import org.apache.flink.optimizer.dag.OptimizerNode; import org.apache.flink.optimizer.dag.SingleInputNode; @@ -37,6 +36,9 @@ import org.apache.flink.optimizer.testfunctions.IdentityFlatMapper; import org.apache.flink.optimizer.testfunctions.IdentityKeyExtractor; import org.apache.flink.optimizer.testfunctions.SelectOneReducer; import org.apache.flink.optimizer.testfunctions.Top1GroupReducer; +import org.apache.flink.optimizer.traversals.BranchesVisitor; +import org.apache.flink.optimizer.traversals.GraphCreatingVisitor; +import org.apache.flink.optimizer.traversals.IdAndEstimatesVisitor; import org.junit.Test; import java.util.Iterator; @@ -292,8 +294,8 @@ public class PipelineBreakingTest { } private static List<DataSinkNode> convertPlan(Plan p) { - Optimizer.GraphCreatingVisitor dagCreator = - new Optimizer.GraphCreatingVisitor(17, p.getExecutionConfig().getExecutionMode()); + GraphCreatingVisitor dagCreator = + new GraphCreatingVisitor(17, p.getExecutionConfig().getExecutionMode()); // create the DAG p.accept(dagCreator); @@ -312,8 +314,8 @@ public class PipelineBreakingTest { rootNode = new SinkJoiner(rootNode, iter.next()); } } - rootNode.accept(new Optimizer.IdAndEstimatesVisitor(null)); - rootNode.accept(new Optimizer.BranchesVisitor()); + rootNode.accept(new IdAndEstimatesVisitor(null)); + rootNode.accept(new BranchesVisitor()); return sinks; }
